On September 26, 2025, Mirion Technologies announced the pricing of an upsized public offering of 17,309,846 shares of Class A common stock at $21.35 per share, raising $370 million in gross proceeds—an increase from the previously announced $350 million. The offering is underwritten by major banks and includes an option for underwriters to purchase an additional 2,596,476 shares at the offering price. The equity raise expands Mirion’s share base while providing liquidity for strategic investments.
In addition, Mirion priced a $325 million aggregate principal amount of 0.00% convertible senior notes due 2031, up from the originally proposed $250 million. The notes are convertible into Class A stock, cash, or a combination, with an initial conversion rate of 34.7 shares per $1,000 principal, equating to approximately $28.82 per share. The notes carry no interest and mature in 2031, offering a low‑cost debt instrument for the company.
Proceeds from both the equity and debt offerings will be used to fund the company’s acquisition of Paragon Energy Solutions and to support ongoing growth initiatives in nuclear power and medical markets. The capital raise enhances Mirion’s balance sheet, providing liquidity for strategic investments while expanding its share base, and represents a significant deployment of capital that supports the company’s expansion strategy.
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